Sec. 4.6. (a) On the day on which the application for judgment and order for sale is made, the county treasurer shall report to the county auditor all of the tracts and real property listed in the notice required by section 2 of this chapter upon which all delinquent taxes and special assessments, all penalties due on the delinquencies, any unpaid costs due from a prior tax sale, and the amount due under section 2(b)(3)(D) of this chapter have been paid up to that time. The county auditor, assisted by the county treasurer, shall compare and correct the list, removing tracts and real property for which all delinquencies have been paid, and shall make and subscribe an affidavit in substantially the following form: